Earth Sciences Division (ESD) Department of Energy (DOE) Lawrence Berkeley National Laboratory (LBNL)

Michael Kowalsky's Publications

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Journal Articles and Book Chapters

  1. Chen, F., B. Wiese, Q. Zhou, M.B. Kowalsky, B. Norden, T. Kempka, J.T. Birkholzer (2014), Numerical modeling of the pumping tests at the Ketzin pilot site for CO2 injection: Model calibration and heterogeneity effects, Int. J. of Greenhouse Gas Control, 22, 200–212,http://dx.doi.org/10.1016/j.ijggc.2014.01.003.
  2. Doetsch, J., M.B. Kowalsky, C. Doughty, S. Finsterle, J.B. Ajo-Franklin, C.R. Carrigan, X. Yang, S.D. Hovorka, T.M. Daley (2013), Constraining CO2 simulations by coupled modeling and inversion of electrical resistance and gas composition data, Int. J. of Greenhouse Gas Control, 18, 510-522, http://dx.doi.org/10.1016/j.ijggc.2013.04.011.
  3. Commer, M., M.B. Kowalsky, J. Doetsch, G. Newman, S. Finsterle (2013), MPiTOUGH2: A parallel parameter estimation framework for hydrological and hydrogeophysical applications, Computers and Geosciences, http://dx.doi.org/10.1016/j.cageo.2013.06.011.
  4. Kowalsky, M.B., S. Finsterle, M. Commer, K.H. Williams, C. Murray, D. Newcomer, A. Englert, C.I. Steefel, and S.S. Hubbard (2012), On parameterization of the inverse problem for estimating aquifer properties using tracer data, Water Resour. Res., 48, W06535, doi:10.1029/2011WR011203.
  5. Jadoon, K.Z., L. Weihermüller, B. Scharnagl, M.B. Kowalsky, M. Bechtold, S.S. Hubbard, H. Vereecken and S. Lambot (2012), Estimation of soil hydraulic parameters in the field by integrated hydrogeophysical inversion of time-lapse ground-penetrating radar data, Vadose Zone J., November 2012, 11, vzj2011.0177, doi:10.2136/vzj2011.0177.
  6. Gasperikova, E., S. S. Hubbard, D. B. Watson, G. S. Baker, J. E. Peterson, M. B. Kowalsky, M. Smith, and S. Brooks (2012), Long-term electrical resistivity monitoring of recharge-induced contaminant plume behavior, J. of Contaminant Hydrology, 142-143, 33–49.
  7. Finsterle, S., M.B. Kowalsky, and K. Pruess (2012), TOUGH: Model use, calibration and validation, Transactions of the ASABE, 55(4), 1275–1290.
  8. Li, L., N. Gawande, M.B. Kowalsky, C. Steefel, S. Hubbard (2011), Physicochemical Heterogeneity Controls on Uranium Bioreduction Rates at the Field Scale, Env. Sci. and Tech., 45(23), 9959-9966, doi: 10.1021/es201111y.
  9. Kowalsky, M.B., E. Gasperikova, S. Finsterle, D. Watson, G. Baker, and S. S. Hubbard (2011), Coupled modeling of hydrogeochemical and electrical resistivity data for exploring the impact of recharge on subsurface contamination, Water Resour. Res., 47, W02509, doi:10.1029/2009WR008947.
  10. Finsterle, S., and M.B. Kowalsky, A truncated Levenberg-Marquardt algorithm for the calibration of highly parameterized nonlinear models (2011), Computers and Geosciences, 37, 731-738, doi:10.1016/j.cageo.2010.11.005.
  11. Moridis, G.J., T.S. Collett, M. Pooladi-Darvish, C. Santamarina, R. Boswell, T.J. Kneafsey, J. Rutqvist, M.B. Kowalsky, M.B., M.T. Reagan, E.D. Sloan, A. Sum, and C. Koh (2011), Challenges, Uncertainties, and Issues Facing Gas Production From Gas-Hydrate Deposits. SPE Res Eval & Eng, 14(1), 76-112, SPE-131792-PA, doi:10.2118/131792-PA.
  12. Kowalsky, M.B., S. Nakagawa, and G.J. Moridis (2010), Feasibility of monitoring gas hydrate production with time-lapse vertical seismic profiling, SPE Journal, 15(3), 634-645. SPE-132508-PA, doi: 10.2118/132508-PA.
  13. Lehikoinen, A., J.M.J. Huttunen, S. Finsterle, M.B. Kowalsky, and J.P. Kaipio (2010), Dynamic inversion for hydrological process monitoring under model uncertainties, Water Resour. Res., 46, W04513, doi:10.1029/2009WR008470.
  14. Hinnell, A. C., T. P. A. Ferré, J. A. Vrugt, J. A. Huisman, S. Moysey, J. Rings, and M. B. Kowalsky (2010), Improved extraction of hydrologic information from geophysical data through coupled hydrogeophysical inversion, Water Resour. Res., 46, W00D40, doi:10.1029/2008WR007060.
  15. Li, L., Steefel, C.I., Kowalsky, M.B., Englert, A., Hubbard, S.S. (2010), Effects of physical and geochemical heterogeneities on mineral transformation and biomass accumulation during biostimulation experiments at Rifle, Colorado, Journal of Contaminant Hydrology, 112, 45–63.
  16. Lehikoinen, A., S. Finsterle, A. Voutilainen, M.B. Kowalsky, and J.P. Kaipio, Dynamical inversion of geophysical ERT data: state estimation in the vadose zone (2009), Inverse Problems in Sci. and Eng., 17(6), 715-736, doi: 10.1080/17415970802475951.
  17. Kowalsky, M.B., J. Birkholzer, J. Peterson, S. Finsterle, S. Mukhopadhyay, and Y. Tsang (2008), Sensitivity analysis for joint inversion of GPR and thermal-hydrological data from a large-scale underground heater test, Nuclear Technology, 164(2), 196-206.
  18. Salve, R., N.Y. Krakauer, M.B. Kowalsky, and S. Finsterle (2008), A qualitative assessment of microclimatic perturbations in a tunnel, International J. of Climatology, 28(15), 2081–2087, doi: 10.1002/joc.1697.
  19. Finsterle, S., C. Doughty, M.B. Kowalsky, G.J. Moridis, L. Pan, T. Xu, Y. Zhang, and K. Pruess (2008), Advanced vadose zone simulation using TOUGH, Vadose Zone Journal, 7, 601-609, doi:10.2136/vzj2007.0059.
  20. Finsterle, S.A., and M.B. Kowalsky (2008), Joint hydrological-geophysical inversion for soil structure identification, Vadose Zone Journal, 7, 287–293, doi:10.2136/vzj2006.0078.
  21. Kowalsky, M.B., and G. J. Moridis (2007), Comparison of kinetic and equilibrium reactions in simulating the behavior of gas hydrates, Energy Conversion and Management, 48, 1850-1863, doi:10.1016/j.enconman.2007.01.017.
  22. Moridis, G., M.B. Kowalsky, and K. Pruess (2007), Depressurization-induced gas production from class 1 hydrate deposits, SPE Reservoir Evaluation and Engineering, 10(5), 458-481.
  23. Moridis, G., and M.B. Kowalsky (2007), Response of Oceanic Hydrate-Bearing Sediments to Thermal Stresses, SPE Journal, 12(2), 253-268, doi:10.2118/111572-PA.
  24. Linde, N., J. Chen, M.B. Kowalsky, and S. Hubbard (2006), Hydrogeophysical parameter estimation approaches for field scale characterization, in Applied Hydrogeophysics, edited by H. Vereecken et al., Chap. 2, pp. 9-44, Springer.
  25. Kowalsky, M.B., J. Chen, and S.S. Hubbard (2006), Joint inversion of geophysical and hydrological data for improved subsurface characterization, The Leading Edge, 25(6), 730-734.
  26. Gupta, A., T.J. Kneafsey, G.J. Moridis, Y. Seol, M.B. Kowalsky, and E.D. Sloan (2006), Composite Thermal Conductivity in a Large Heterogeneous Porous Methane Hydrate Sample, J. Phys. Chem. B. , 110, 16384-16392.
  27. Moridis, G.J. and M.B. Kowalsky (2006), Gas Production from Unconfined Class 2 Hydrate Accumulations in the Oceanic Subsurface, in Economic Geology of Natural Gas Hydrates, M. Max, A.H. Johnson, W.P. Dillon and T. Collett, Eds., Kluwer Academic/Plenum Publishers (Report LBNL-57299).
  28. Kowalsky, M.B., S. Finsterle, J. Peterson, S. Hubbard, Y. Rubin, E. Majer, A. Ward, and G. Gee (2005), Estimation of field-scale soil hydraulic and dielectric parameters through joint inversion of GPR and hydrological data, Water Resour. Res., 41, W11425, doi:10.1029/2005WR004237.
  29. Kowalsky, M.B., S. Finsterle, and Y. Rubin (2004), Estimating flow parameter distributions using ground-penetrating radar and hydrological measurements during transient flow in the vadose zone, Adv. in Water Res., 27(6), 583-599.
  30. Kowalsky, M.B., Y. Rubin, and P. Dietrich (2004), The use of ground-penetrating radar for characterizing sediments under transient flow conditions, in Aquifer characterization, SEPM Special Publication 80, edited by: Bridge, J.S. and Hyndman, D.W., ISBN: 1-56576-107-3, 176 pages.
  31. Kowalsky, M.B., P. Dietrich, G. Teutsch, and Y. Rubin (2001), Forward modeling of ground-penetrating radar data using digitized outcrop images and multiple scenarios of water saturation, Water Resour. Res., 37(6), 1615-1625 (2001WR900015).
  32. Geller, J.T., M.B. Kowalsky, P.K. Seifert, and K. Nihei (2000), Acoustic detection of immiscible liquids in sand, Geophys. Res. Letters. , Vol. 27, No. 3, 417-420 (1999GL010483).

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Conference Proceedings and Reports

  1. Chen, F., B. Wiese, Q. Zhou, J.T. Birkholzer, M.B. Kowalsky, Numerical Modeling of the Pumping Tests at the Ketzin Pilot Site for CO2 Injection: Model Calibration and Heterogeneity Effects, Abstract H31G-1279 presented at 2013 Fall Meeting, AGU, San Francisco, Calif., 9-13 Dec.
  2. Commer, M. M.B. Kowalsky, B. Dafflon, Y. Wu, S.S. Hubbard, Strategies for improving the resolution of electrical and electromagnetic geophysical measurements for three-dimensional inverse modeling of CO2 movement, Abstract NS33A-168, presented at 2013 Fall Meeting, AGU, San Francisco, Calif., 9-13 Dec.
  3. Commer, M., M.B. Kowalsky, J. Doetsch, S. Finsterle, G. Newman (2012), Investigation of approaches for hydrogeophysical joint inversion using a parallel computing platform, Abstract H33D-1363 presented at 2012 Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec.
  4. Doetsch, J., M.B. Kowalsky, C. Doughty, S. Finsterle, J.B. Ajo-Franklin, X. Yang, C.R. Carrigan, T.M. Daily (2012), Structural and fully coupled joint inversion for CO2 migration monitoring, Abstract NS34A-01 presented at 2012 Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec. [Invited]
  5. Kowalsky, M.B., M. Commer, K.H. Williams, and S. Finsterle (2012), On parameterizing heterogeneity and incorporating geophysical measurements in hydrogeophysical inverse modeling, Proc. TOUGH Symp. 2012, Berkeley, California, September 17-19, 8 pages.
  6. Commer, M., M.B. Kowalsky, S. Finsterle, G. Newman (2012), Advances in Hydrogeophysical Joint Inversion, Proc. TOUGH Symp. 2012, Berkeley, California, September 17-19, 8 pages.
  7. Doetsch, J., M.B. Kowalsky, S. Finsterle, C. Doughty, J.B. Ajo-Franklin, and T.M. Daley (2012), Geophysical data improve stability and convergence of hydrological property estimation: A synthetic CO2 injection study, Proc. TOUGH Symp. 2012, Berkeley, California, September 17-19, 8 pages.
  8. Doetsch, J., M.B. Kowalsky, C. Doughty, S. Finsterle, J.B. Ajo-Franklin, Xianjin Yang, Charles R. Carrigan, and Thomas M. Daley (2012), Towards fully coupled hydrogeophysical inversion of CO2 migration data in a deep saline aquifer, SEG-AGU 2012 Hydrogeophysics Workshop, July 8-11, Boise ID.
  9. Commer, M., M.B. Kowalsky, S. Finsterle, G. Newman (2012), MPiTOUGH2-EMGeo—A Massively, Parallel Data Inversion Framework for Joint Hydrogeophysical Real-World Applications, XIX International Conference on Computational Methods in Water Resources, June 17–21, 2012.
  10. Jadoon, K.Z., L. Weihermüller, B. Scharnagl, M.B. Kowalsky, M. Bechtold, S.S. Hubbard, H. Vereecken and S. Lambot (2012), Estimation of field-scale soil hydraulic parameters by integrated hydrogeophysical inversion of time-lapse ground-penetrating radar data, EGU General Assembly 2012, Geophysical Research Abstracts, 14, EGU2012-8494.
  11. Kowalsky, M.B., M. Commer, J.B. Ajo Franklin, C. Doughty, T.M. Daley, S. Finsterle (2011), Feasibility of coupled hydrogeophysical inversion for characterization and monitoring of subsurface CO2 injection, Abstract H42F-02 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec (INVITED).
  12. Finsterle, S., M.B. Kowalsky (2011), Soil structure identification through inverse modeling, Abstract H43D-1245 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec (INVITED).
  13. Li, L, N. Gawande, M.B. Kowalsky, C. Steefel, S.S. Hubbard (2011), Field Scale Controls of Uranium Bioreduction Efficacy: the Role of Physico-chemical Heterogeneity, Abstract H21A-1068 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.
  14. Chen, J., M. Kowalsky; L. Li, K. Williams, C.I. Steefel, S.S. Hubbard (2011), Estimation and Modeling Approaches for the Improved Understanding of Sub- surface Properties and Processes Associated with Uranium Biostimulation, SBR PI Meeting, Washington DC, April 26-28.
  15. Tang, G., F. Zhang, J. Parker, S. Brooks, D. Watson, B. Gu, W. Wu, C. Schadt, M. Kowalsky (2011), Modeling Coupled Biogeochemical and Hydrologic Processes in Field Experiments at the Oak Ridge IFRC Involving pH Manipulation and Electron Donor Injection, SBR PI Mtg., Washington DC, April 26-28.
  16. Hubbard, S.S., G.S. Baker, D.B. Watson, M. Kowalsky, E. Gasperikova, D. Gaines, J. Parker, R. Storniolo, Yu. Wu, S.C. Brooks (2011), Quantification of Recharge Processes at the ORNL IFRC Using Geophysical and Numerical Approaches, SBR PI Meeting, Washington DC, April 26-28.
  17. Hubbard, S.S., H. Beller, J. Davis, C.I. Steefel, K.H. Williams, J. Ajo-Franklin, E. Brodie, R. Chakraborty, J. Chen, J. Christensen, M. Conrad, D. DePaolo, W. Dong, B. Faybishenko, J T. Geller, T.C. Hazen, H.-Y. Holman, M. Kowalsky, P. Nico, D. Silin, N. Spycher, E. Sonnenthal, T. Tokunaga, J. Wan, L. Yang, Yu. Wu, L. Li, Sustainable Systems Scientific Focus Area, SBR PI Meeting, Washington DC, April 26-28.
  18. Kowalsky, M.B., E. Gasperikova, S. Finsterle, D. Watson, G. Baker, and S.S. Hubbard (2010), Coupled modeling of hydrogeochemical and electrical resistivity data for exploring the impact of recharge on subsurface contamination, Abstract H11E-0840, presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec.
  19. Commer, M., M.B. Kowalsky, S. Finsterle, G.A. Newman (2010), Enhanced subsurface fluid characterization using joint hydrological and geophysical imaging, Abstract H23L-02 presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec.
  20. Gasperikova, E., M.B. Kowalsky, S.S. Hubbard, J.E. Peterson, G.S. Baker, M. Smith, D.B. Watson (2010), Long-term time-lapse surface and borehole electrical resistivity monitoring of natural recharge-induced contaminant plume behavior, expanded abstract for SEG2010, Denver, 3-5 Oct.
  21. Finsterle, S., M. Kowalsky (2010), A truncated Levenberg-Marquardt algorithm for the calibration of highly parameterized nonlinear models, XVIII International Conference on Computational Methods in Water Resources, June 21 – 24 2010.
  22. Hubbard, S.S., D. Watson, G.S. Baker, J. Chen, M. Kowalsky, E. Gasperikova, D.B. Gaines, M. Smith, S. Brooks (2010), Hydrogeophysical quantification of plume-scale flow architecture and recharge processes, Geochimica et Cosmochimica Acta, 74(12), Suppl. 1, A433-A433.
  23. Reagan, M.T., M.B. Kowalsky, G.J. Moridis, S. Silpngarmlert (2010), The effect of reservoir heterogeneity on gas production from hydrate accumulations in the permafrost, SPE 132649, 2010 SPE Western North American Regional Meeting, Anaheim, California, 27-29 May 2010.
  24. Jadoon, K.Z. M. B. Kowalsky, S. Finsterle, S. S. Hubbard, H.  Vereecken, S. Lambot (2010), Coupled Hydrogeophyiscal Inversion of Off-Ground GPR and Hydrological Data, European Geosciences Union, General Assembly 2010, Vienna, Austria, May 2-7.
  25. Chiaramonte, L, M.B. Kowalsky, J. Rutqvist, and G.J. Moridis (2009), Design of a potential long-term test of gas production from a hydrate deposit at the PBU-L106 site in North Slope, Alaska: Geomechanical system response and seismic monitoring, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract OS24A-08.
  26. Kowalsky, M.B., S. Finsterle, G. Moridis, and S.S. Hubbard (2009), Hydrogeophysical approaches with the TOUGH family of codes, Proc. TOUGH Symp. 2009, Berkeley, Calif. (8 pages).
  27. Englert, A., S.S. Hubbard, J. Chen, L. Li, M.B. Kowalsky, K.H. Williams, F. Spane, D. Newcomer, P. Long, C. Steefel, (2008), Evidence of Flow Rerouting Caused by Bioremediation-Induced Clogging at the Uranium Contaminated DOE Integrated Field Challenge Site, Rifle, Colorado, Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abs H51K-04 (INVITED).
  28. Li, L., C. Steefel, M.B. Kowalsky, A. Englert, S.S. Hubbard (2008), Effects of Physical and Chemical Heterogeneities on Biogeochemical Processes Associated With Uranium Bioremediation at Rifle, Colorado, Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abs  H24B-02 (INVITED).
  29. Kowalsky, M.B., S. Nakagawa, and G. Moridis (2008), Feasibility of monitoring gas hydrate production with geophysical methods, Paper OTC-19489-PP presented at the Offshore Technology Conference, Houston, Texas, May 5-8, 2008.
  30. Kowalsky, M.B., S. Finsterle, and S. Hubbard (2008), Use of Coupled Hydrological-Geophysical Modeling Framework for Exploring the Impact of Recharge on TDS, 2008 CMWR International Conference, July 6-10, 2008, San Francisco, California.
  31. Englert, A., M.B. Kowalsky, K. Williams, J. Peterson, J. Chen, F. Spane, D. Newcomer, P. Long and S. Hubbard (2008), Estimation of a three dimensional hydraulic conductivity field at the Rifle, CO Integrated Field Challenge site using a sequential Bayesian-Inverse Approach, 2008 CMWR International Conference, July 6-10, 2008, San Francisco, California.
  32. Zhang, Y., S. Finsterle, M.B. Kowalsky, and S. Hubbard (2008), Impact of groundwater pumping on near-river hydrology, 2008 CMWR International Conference, July 6-10, 2008, San Francisco, California.
  33. Kowalsky, M.B., S.S. Hubbard, J. Chen, J.E. Peterson, G.P. Flach (2007), Multiscale Hydrogeophysical Data Integration for Parameterization of Transport Model at Savannah River Site, Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abs.  H14C-01 (INVITED).
  34. Hubbard, S., A. Englert, M. Kowalsky, J. Chen, J. Peterson, K.H. Williams (2007), Exploring Hydrological and Biogeochemical Processes Associated With Remedial Treatments Using Geophysical Methods, Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abs.  NS13A-08 (INVITED).
  35. Englert, A., M. Kowalsky, L. Li, P. Long, and S. Hubbard (2007), Characterization of Transient Transport Behavior During Biostimulation Field Experiments Using Novel Breakthrough Analysis Approaches, Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abs. H21C-0707.
  36. Finsterle, S., M.B. Kowalsky, C. Oberdoerster, A. Lehikoinen (2007), Joint Inversion of Hydrological and Geophysical Data: Too Much Information?, Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abs. NS43A-04 (INVITED).
  37. Li, L., C.I. Steefel, M.B. Kowalsky (2007), Biogeochemical Reaction Kinetics Associated with Uranium Bioremediation at Multiple Scales, Eos Trans. AGU, 88(52), Fall Meet., Abs. H32D-03.
  38. Moridis, G.J., M.B. Kowalsky (2006), Geomechanical implications of thermal stresses on hydrate-bearing sediments, Fire In The Ice, NETL Methane Hydrates R&D Program Newsletter, Fall 2006.
  39. Kowalsky, M.B., and G. Moridis (2006), Comparison of kinetic and equilibrium reactions in the simulation of the behavior of gas hydrates, Proc. TOUGH Symp. 2006, Berkeley, Calif.
  40. Moridis, G. M.B. Kowalsky, S. Finsterle, K. Pruess (2006), TOUGH+: The New Generation of Object-Oriented Family of Codes for the Solution of Problems of Flow and Transport in the Subsurface, Proc. TOUGH Symp. 2006, Berkeley, CA.
  41. Gupta, A., T. Kneafsey, G.J. Moridis, Y. Seol, M.B. Kowalsky, and E.D. Sloan, Jr. (2006), Estimation of composite thermal-conductivity of a heterogeneous methane hydrate sample using iTOUGH2, Proc. TOUGH Symp. 2006, Berkeley, Calif.
  42. Moridis, G. and M.B. Kowalsky, 2006. Depressurization-Induced Gas Production from Class 1 and Class 2 Hydrate Deposits, Proc. TOUGH Symp. 2006, Berkeley, Calif.
  43. Finsterle, S.A., and M.B. Kowalsky (2006), Joint Hydrological-Geophysical Inversion for Soil Structure Identification, Proc. TOUGH Symp. 2006, Berkeley, Calif.
  44. Kowalsky, M.B., E. Majer, J.E. Peterson, S. Finsterle and A. Mazzella (2006), Coupled geophysical-hydrological modeling of controlled NAPL spill, American Geophysical Union (AGU) Fall Meeting, San Francisco, CA, Dec. 11-15.
  45. Lehikoinen, A., S. Finsterle, A. Voutilainen, M.B. Kowalsky, and J.P. Kaipio (2006), A nonstationary geophysical inversion approach with modeling-error correction for imaging fluid flow, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abs. H44B-02.
  46. Kowalsky, M.B., and S.A. Finsterle (2006), Joint inversion of ground-penetrating radar and thermal-hydrological measurements: overview and recent progress, 2006. European Geosciences Union, General Assembly 2006, Vienna, Austria, April 2-7 (INVITED).
  47. Kowalsky, M.B., and G. Moridis (2006), Comparison of kinetic and equilibrium reactions in the simulation of gas hydrates in porous media, Amer. Assoc. of Petrol. Geol. (AAPG) Annual Convention, Apr. 9-12, 2006.
  48. Kowalsky, M.B., J. Peterson, S. Finsterle, S. Mukhopadhyay, Y. Tsang (2005), Joint inversion of ground-penetrating radar and thermal-hydrological data collected during a large-scale heater test, Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abs. H44C-04.
  49. Moridis, G.J., M.B. Kowalsky (2005), Numerical study of hydrate preservation during core recovery, Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abs. C11A-1070.
  50. Finsterle, S., and M.B. Kowalsky (2005), Model Structure Identification through Joint Inversion of Hydrological and Geophysical Data, Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abs. H41G-08.
  51. Linde, N., J. Chen, M.B. Kowalsky, S. Finsterle, Y. Rubin, S.S. Hubbard (2004), Improved characterization through joint hydrogeophysical inversion: Examples of three different approaches, NATO ASI Hydrogeophysics 2, St. Petersburg, Russia, July 20-27, LBNL-55782.
  52. Kowalsky, M.B., S.A. Finsterle, J.E. Peterson, S.S. Hubbard, Y. Rubin, E.L. Majer, A.L. Ward, G.W. Ward (2004), Estimating field-scale soil hydraulic properties and petrophysical models through joint GPR/hydrological inversion, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abs. H23A-1101.
  53. Kowalsky, M.B., S.A. Finsterle, J.E. Peterson, S.S. Hubbard, Y. Rubin, E. Majer, A. Ward, and G. Gee (2004), Estimating field-scale soil hydraulic properties through joint inversion of cross-borehole GPR travel times and hydrological measurements, Annual Mtg. of Geol. Soc. of America (GSA), Denver, Colorado, Nov. 7-10, 2004.
  54. Kowalsky, M.B., S. Finsterle, and Y. Rubin (2003), Estimating Flow Parameters Using Ground-Penetrating Radar and Hydrological Data during Transient Flow in the Vadose Zone, TOUGH Symp. 2003, Lawrence Berkeley National Laboratory, Berkeley, Calif., Report LBNL-52504.
  55. Kowalsky, M.B., Y. Rubin, J. Peterson, S. Finsterle (2003), Estimation of Flow Parameters Using Crosshole GPR Travel Times and Hydrological Data Collected During Transient Flow Experiments, Eos Trans. AGU, 84(46), Fall Meet. Suppl., Abs. H21F-07.
  56. Majone, B., M.B. Kowalsky, Y. Rubin (2003), Experimental Design Considerations for Estimating Flow Parameters with GPR and Hydrological Measurements, Eos Trans. AGU, 84(46), Fall Meet. Suppl., Abs. H31B-0445.
  57. Kowalsky, M.B., Y. Rubin, S. Finsterle (2002), Inversion of Hydrogeological and Time-lapsed GPR Data for Flow Parameters, Eos Trans. AGU, 83(47), Fall Meet. Suppl., Abs. H61A-0750.
  58. Rubin, Y., J. Chen, S. Hubbard, M.B. Kowalsky, A. Woodbury (2002), A structured approach to Bayesian data fusion, Eos Trans. AGU, 83(47), Fall Meet. Suppl., Abs. H52F-05 (INVITED).
  59. Kowalsky, M.B., Y. Rubin (2002), Monitoring Subsurface Moisture Distributions with GPR, Presented at the NATO Advanced Study Institute, Trest, Czech Republic, July 17-27, 2002.
  60. Williams, K.H., M.B. Kowalsky, and J.E. Peterson (2002), High resolution imaging of vadose zone transport using surface and crosswell ground penetrating radar methods, Report LBNL-53151.
  61. Kowalsky, M.B., and Y. Rubin (2002), Suitability of GPR for characterizing variably saturated sediments during transient flow, Proc. Ground Penetrating Radar 2002, Santa Barbara, CA, April 28-May 2, 2002.
  62. Kowalsky, M.B., Y. Rubin and P. Dietrich (2002), Effects of fluid distribution and subsurface structural heterogeneity on ground-penetrating radar, Proc. 2002 International Groundwater Symp., Berkeley, CA, Mar.
  63. Hubbard, S.S., K. Grote, M.B. Kowalsky, and Y. Rubin (2002), High-Resolution Estimation of Near Subsurface Water Content using GPR Ground-Wave Information, Proc. 2002 International Groundwater Symp., Berkeley, CA, March, 2002.
  64. Kowalsky, M.B., Y. Rubin (2001), Improved Characterization of the Vadose Zone with Time-Lapsed Ground-Penetrating Radar, Eos Trans. AGU, 82(47), Fall Meet. Suppl., Abs. GP22A-0261.
  65. Hubbard, S.S., K. Grote, M.B. Kowalsky, Y. Rubin (2001), Investigating Temporal and Spatial Variations in Near Surface Water Content using GPR, Eos Trans. AGU, 82(47), Fall Meet. Suppl., Abs. GP11B-09.
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  71. Pyrak-Nolte, L.J. and M.B. Kowalsky (1997), Compressional wave anisotropy in fractured rock, AGU Fall Meeting, San Francisco, CA, Dec. 8-12, Abs. T32B-02.
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